1 files changed, 107 insertions, 0 deletions
diff --git a/apps/files_external/service/userglobalstoragesservice.php b/apps/files_external/service/userglobalstoragesservice.php
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+++ b/apps/files_external/service/userglobalstoragesservice.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ * @author Robin McCorkell <rmccorkell@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\Files_External\Service;
+
+use \OCA\Files_external\Service\GlobalStoragesService;
+use \OCA\Files_External\Service\BackendService;
+use \OCP\IUserSession;
+use \OCP\IGroupManager;
+use \OCA\Files_External\Service\UserTrait;
+
+/**
+ * Service class to read global storages applicable to the user
+ * Read-only access available, attempting to write will throw DomainException
+ */
+class UserGlobalStoragesService extends GlobalStoragesService {
+
+	use UserTrait;
+
+	/** @var IGroupManager */
+	protected $groupManager;
+
+	/**
+	 * @param BackendService $backendService
+	 * @param IUserSession $userSession
+	 * @param IGroupManager $groupManager
+	 */
+	public function __construct(
+		BackendService $backendService,
+		IUserSession $userSession,
+		IGroupManager $groupManager
+	) {
+		parent::__construct($backendService);
+		$this->userSession = $userSession;
+		$this->groupManager = $groupManager;
+	}
+
+	/**
+	 * Replace config hash ID with real IDs, for migrating legacy storages
+	 *
+	 * @param StorageConfig[] $storages Storages with real IDs
+	 * @param StorageConfig[] $storagesWithConfigHash Storages with config hash IDs
+	 */
+	protected function setRealStorageIds(array &$storages, array $storagesWithConfigHash) {
+		// as a read-only view, storage IDs don't need to be real
+		foreach ($storagesWithConfigHash as $storage) {
+			$storages[$storage->getId()] = $storage;
+		}
+	}
+
+	/**
+	 * Read legacy config data
+	 *
+	 * @return array list of mount configs
+	 */
+	protected function readLegacyConfig() {
+		// read global config
+		$data = parent::readLegacyConfig();
+		$userId = $this->getUser()->getUID();
+
+		if (isset($data[\OC_Mount_Config::MOUNT_TYPE_USER])) {
+			$data[\OC_Mount_Config::MOUNT_TYPE_USER] = array_filter(
+				$data[\OC_Mount_Config::MOUNT_TYPE_USER], function($key) use ($userId) {
+					return (strtolower($key) === strtolower($userId) || $key === 'all');
+				}, ARRAY_FILTER_USE_KEY
+			);
+		}
+
+		if (isset($data[\OC_Mount_Config::MOUNT_TYPE_GROUP])) {
+			$data[\OC_Mount_Config::MOUNT_TYPE_GROUP] = array_filter(
+				$data[\OC_Mount_Config::MOUNT_TYPE_GROUP], function($key) use ($userId) {
+					return ($this->groupManager->isInGroup($userId, $key));
+				}, ARRAY_FILTER_USE_KEY
+			);
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Write legacy config data
+	 *
+	 * @param array $mountPoints
+	 */
+	protected function writeLegacyConfig(array $mountPoints) {
+		throw new \DomainException('UserGlobalStoragesService writing disallowed');
+	}
+
+}